Home > Term: hydraulic lock
hydraulic lock
A condition in which oil drains into the lower cylinders of a reciprocating engine and leaks past the piston rings to fill the combustion chamber. If the oil is not removed before the engine is started, it can cause serious damage.
- Part of Speech: noun
- Industry/Domain: Aviation
- Category: Aircraft maintenance; Powerplant
- Company: FAA
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Creator
- MarcD
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(Seattle - WA, United States)